77620480

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{8663}}^1$

素因数の和:8691

約数の個数: 72

約数和(自身を含む): 212510592

約数和(自身を除く): 134890112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8663, 8960, 17326, 34652, 43315, 60641, 69304, 86630, 121282, 138608, 173260, 242564, 277216, 303205, 346520, 485128, 554432, 606410, 693040, 970256, 1108864, 1212820, 1386080, 1940512, 2217728, 2425640, 2772160, 3881024, 4851280, 5544320, 7762048, 9702560, 11088640, 15524096, 19405120, 38810240, 77620480]

約数ペア:

[(1, 77620480), (2, 38810240), (4, 19405120), (5, 15524096), (7, 11088640), (8, 9702560), (10, 7762048), (14, 5544320), (16, 4851280), (20, 3881024), (28, 2772160), (32, 2425640), (35, 2217728), (40, 1940512), (56, 1386080), (64, 1212820), (70, 1108864), (80, 970256), (112, 693040), (128, 606410), (140, 554432), (160, 485128), (224, 346520), (256, 303205), (280, 277216), (320, 242564), (448, 173260), (560, 138608), (640, 121282), (896, 86630), (1120, 69304), (1280, 60641), (1792, 43315), (2240, 34652), (4480, 17326), (8663, 8960)]